CN109346842A - The adjustable antenna of wave width - Google Patents
The adjustable antenna of wave width Download PDFInfo
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- CN109346842A CN109346842A CN201811117154.3A CN201811117154A CN109346842A CN 109346842 A CN109346842 A CN 109346842A CN 201811117154 A CN201811117154 A CN 201811117154A CN 109346842 A CN109346842 A CN 109346842A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
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Abstract
The present invention discloses a kind of adjustable antenna of wave width, including switching device, radiation appliance and phase shifter；Switching device includes the first input branch, the second input branch, the first output branch, the second output branch and switching switch block；Radiation appliance includes the first radiating element and multiple second radiating elements；Each second phase shift output port connects one to one with each second radiating element；The input port of the output port connection phase shifter of first output branch, the output port that input port passes through switching switching group connection the first input branch；The output port of second output branch connects the first radiating element, the output port that input port passes through switching switch block connection the second input branch；The input port of second input branch connects the first phase shift output port；It is connected between the output port of first input branch and the input port of the second output branch by switching switch block.And then antennas orthogonal surface wave beam width can be changed, meet the needs of different covering scenes.
Description
Technical field
The present invention relates to antenna technical fields, more particularly to a kind of adjustable antenna of wave width.
Background technique
With the development of mobile communication, in order to meet the covering and capacity requirement of antenna, increasing website becomes a kind of certainty
Selection.After the Large scale construction of macro station base station, the depth in the areas such as residential block and commercial street, which covers and mend blind work, becomes each
The focus of big operator, it is at high cost to increase traditional macro station in these areas, and antenna size is larger, and addressing is difficult.Mesh
Before, it is covered or is mended frequently with micro- station antenna or low gain directional aerial and is blind.
During realization, inventor has found that at least there are the following problems: the vertical surface wave of traditional antenna in traditional technology
Beam width be it is fixed, corresponding overlay area is also relatively fixed, it is difficult to meet the needs of different covering scenes.
Summary of the invention
Based on this, it is necessary to be difficult to meet practical covering scene for the beam angle of traditional antenna, it is wide to provide a kind of wave
Adjustable antenna.
To achieve the goals above, the embodiment of the invention provides a kind of adjustable antennas of wave width, including switching device, spoke
Injection device and phase shifter；Switching device includes the first input branch, the second input branch, the first output branch, the second output
Branch and switching switch block；Radiation appliance includes the first radiating element and multiple second radiating elements；Phase shifter includes the
One phase shift output port and multiple second phase shift output ports；Each second phase shift output port and each second radiating element one are a pair of
It should connect；
The input port of the output port connection phase shifter of first output branch, the input port of the first output branch pass through
Switch the output port of switch block connection the first input branch；The first radiation of output port connection of second output branch is single
Member, the output port that the input port of the second output branch passes through switching switch block connection the second input branch；Second input
The input port of branch connects the first phase shift output port；First input branch output port also pass through switching switch block with
The input port of second output branch is connected.
First input branch, the second input branch, the first output branch and the second output branch in one of the embodiments,
Road is fixed circuit.
Switching switch block is relative to fixed circuit activity, to disconnect or be of coupled connections in one of the embodiments,
The switch walking circuit of fixed circuit.
Switch walking circuit includes first switch walking circuit and the mobile electricity of second switch in one of the embodiments,
Road；
Pass through the mobile electricity of first switch between the output port of first input branch and the input port of the first output branch
Road is connected；Pass through second switch walking circuit between the output port of second input branch and the input port of the second output branch
It is connected；Pass through first switch walking circuit phase between the output port of first input branch and the input port of the second output branch
Even.
The shape of the first input branch is L-type or linear type in one of the embodiments,；The shape of second input branch
For L-type or linear type；The shape of first output branch is L-type or linear type；The shape of second output branch is L-type or straight line
Type；
The shape of first switch walking circuit is that the shape of L-type and/or second switch walking circuit is L-type.
Switching device further includes the short-circuit conductors being arranged on the first input branch road in one of the embodiments,；
The length of short-circuit conductors is quarter-wave.
Switching switch block is the fixed electricity of switch of disconnection or the fixed circuit that is of coupled connections in one of the embodiments,
Road.
Switching fixed circuit in one of the embodiments, includes the fixed circuit of first switch, the fixed circuit of second switch
Fixed circuit is switched with third；
Pass through the fixed electricity of first switch between the output port of first input branch and the input port of the first output branch
Road is connected；Pass through the fixed circuit of second switch between the output port of second input branch and the input port of the second output branch
It is connected；Fixed circuit phase is switched by third between the output port of first input branch and the input port of the second output branch
Even.
The shape of the first input branch is T-type in one of the embodiments,；The shape of second input branch is straight line
Type；The shape of first output branch is linear type；The shape of second output branch is T-type；
It is respectively single-pole single-throw switch (SPST) that first switch, which fixes the fixed circuit of circuit, second switch and the fixed circuit of third switch,
Circuit.
The positional distance first of the fixed circuit of first switch inputs the T-type branch phase of branch in one of the embodiments,
It is quarter-wave at friendship；The T-type branch intersection that the positional distance second of the fixed circuit of second switch exports branch is four
/ mono- wavelength；Distance first inputs the T-type branch intersection of branch, the second output respectively for the position of the fixed circuit of third switch
The T-type branch intersection of branch is quarter-wave.
Each T of each T-type branch of the first input branch, the second output branch in one of the embodiments,
At least one in type branch, the second input branch and the first output branch is arranged in bending.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
It is coupled by switching switch block with the output port of the first input branch in the input port of the first output branch
It is connected, while the input port of the second output branch is connected by switching switch block with the output port of the second input branch
When, realize four port networks of two input ports and two output ports, in this mode, all radiating elements (first of antenna
Radiating element and each second radiating element) it works together, antenna beamwidth is relatively narrow, and can realize vertical plane side by phase shifter
Adjustment to figure angle of declination.Pass through between the output port of the only first input branch and the input port of the second output branch
When switching switch block is connected, the two-port network of an input port and an output port is realized, in this mode, antenna only has
The work of first radiating element, antenna beamwidth are wider.By the switching of switching device, and then it can realize antennas orthogonal surface wave beam
The switching of width.
Detailed description of the invention
Fig. 1 is the first structure diagram of the adjustable antenna of one embodiment medium wave width；
Fig. 2 is the second structural schematic diagram of the wide adjustable antenna condition one of one embodiment medium wave；
Fig. 3 is the second structural schematic diagram of the wide adjustable antenna condition two of one embodiment medium wave；
Fig. 4 is the first structure diagram of switching device state one in one embodiment；
Fig. 5 is the first structure diagram of switching device state two in one embodiment；
Fig. 6 is the third structural schematic diagram of the adjustable antenna of one embodiment medium wave width；
Fig. 7 is the second structural schematic diagram of switching device state one in one embodiment；
Fig. 8 is the second structural schematic diagram of switching device state two in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
It is unadjustable in order to solve traditional antenna beam angle, it is difficult to which that the problem of meeting practical covering scene, the present invention are real
It applies example and provides a kind of adjustable antenna of wave width, Fig. 1 is the first structural representation of the adjustable antenna of one embodiment medium wave width
Figure.As shown in Figure 1, including switching device 110, radiation appliance 120 and phase shifter 130.Switching device 110 includes the first input
Branch 111, second inputs branch 113, first and exports the output branch 117 of branch 115, second and switching switch block 119；Spoke
Injection device 120 includes the first radiating element 121 and multiple second radiating elements 123；Phase shifter 130 includes the first phase shift output end
Mouth and multiple second phase shift output ports；Each second phase shift output port connects one to one with each second radiating element 123；
The input port of the output port connection phase shifter 130 of first output branch 115, input port pass through switching switch
The output port of the connection of component 119 first input branch 111；The first radiation of output port connection of second output branch 117 is single
Member 121, the output port that input port passes through switching switch block 119 connection the second input branch 113；Second input branch
113 input port connects the first phase shift output port；The output port of first input branch 111 and the second output branch 117
Input port between by switching switch block 119 be connected.
Above-mentioned switching switch block 119 includes two states (first state and the second state).When switching switch block 119
It is in the conductive state between the second input branch 113 and the second output branch 117 when in first state, the first input branch
111 and first output branch 115 between it is in the conductive state, first input branch 111 and second output branch 117 between be in
Off-state.In this case, aerial signal is after the first input input of branch 111, after the first output branch output,
On the one hand can each second phase shift output port of shifted device 130 export to each second radiating element 123；It on the other hand can be through moving
First phase shift output port of phase device 130 is exported to the second input branch 113, then through the second output branch 117 output to first
Radiating element 121.Therefore, the first radiating element 121 of antenna and each second radiating element 123 can work together, so that antenna
Beam angle is relatively narrow, realizes that antenna works in the case where beam angle is relatively narrow, while can also easily pass through phase shifter 130
Realize the phase adjustment to all radiating elements (i.e. the first radiating element 121 and each second radiating element 123), it is vertical to realize
Face directional diagram angle of declination is adjusted.When switching switch block 119 is in the second state, the second input branch 113 and the second output
It is in an off state, is in an off state between the first input branch 111 and the first output branch 115, first between branch 117
It inputs in the conductive state between branch 111 and the second output branch 117.In this case, aerial signal is inputted from first
After branch 111 inputs, exported by the second output branch to the first radiating element 121.Therefore, antenna only the first radiating element
121 work realize that antenna works in the wider situation of beam angle so that antenna beamwidth is wider.
Wherein, switching device 110 refers to allowing hand over the device of circuit input/output terminal；Switch switch block 119 to use
The connection relationship between switching circuit, the on/off of control circuit.Radiation appliance 120 refers to Net long wave radiation or to receive wireless
The device of electric wave.First radiating element 121 can be oscillator unit, be also possible to chip unit.First radiating element 121 can also
For connecting the second output branch 117.Second radiating element 123 can be oscillator unit, be also possible to chip unit, the first spoke
The structure for penetrating unit 121 and the second radiating element 123 can be the same or different, herein with no restrictions.What phase shifter 130 referred to
It is the control element for controlling signal phase variation.Phase shifter 130 can be digital phase shifter, be also possible to analog shifting
Phase device.Phase shifter 130 may include multiple output ports and for connecting the input port of the first output branch 115.It can foundation
The mode for connecting the output port of phase shifter 130 is different, and each output port of phase shifter 130 is divided into the first phase shift output end
Mouth and multiple second phase shift output ports.First phase shift output port can be used to connect the input port of the second input branch 113.
Second phase shift output port can be used to connect the second radiating element 123.The quantity of second phase shift output port and the second radiation are single
The quantity of member 123 is identical.Preferably, the quantity of the second radiating element is at least two.
Specifically, the first input branch 111, second inputs branch 113, first and exports branch 115 and the second output branch
It is mutually not attached between 117.It can lead between the input port of first output branch 115 and the output port of the first input branch 111
The coupling of switching switch block 119 is crossed to be connected.The output end of the input port of second output branch 117 and the second input branch 113
It can be connected by the switching coupling of switch block 119 between mouthful.The output port of first input branch 111 and the second output branch
It can be connected by the switching coupling of switch block 119 between 117 input port.Preferably, the first input branch 111 can be micro-
Band line or belt shape line.Second input branch 113 can be microstrip line or strip line.First output branch 115 can be microstrip line
Or strip line.Second output branch 117 can be microstrip line or strip line.Switching switch block 119 can be micro-strip line or belt
Shape line, is also possible to relay.
Further, lead between the input port of the first output branch 115 and the output port of the first input branch 111
It crosses the coupling of switching switch block 119 to be connected, while the input port of the second output branch 117 inputs the defeated of branch 113 with second
When being connected between exit port by the switching coupling of switch block 119.The company of second output branch 117 and the first radiating element 121
Conducting is connect, and the first output branch 115 is connected with the connection of phase shifter 130, and then the first radiating element 121 and each second radiation
The all ON operations of unit 123 realize that antenna works in the case where beam angle is relatively narrow so that antenna beamwidth is relatively narrow, and
The adjustment of elevation radiation patytern angle of declination can be realized by phase shifter.In the output port and second of the only first input branch 111
When exporting connected by the switching coupling of switch block 119 between the input port of branch 117, the second output branch 117 and first
The connection of radiating element 121 is connected, and the connection of the first output branch 115 and phase shifter 130 disconnects, and then only the first radiation is single
First 121 ON operations realize that antenna works in the wider situation of beam angle so that antenna beamwidth is wider.
In a specific embodiment, switching device further includes substrate.Substrate include the first plate face and with the first plate
The second opposite plate face of face；Second plate face is for being grounded.First input branch, the second input branch, the first output branch and the
Two output branches are arranged in the first plate face.
Wherein, substrate is for carrying the first input branch, the second input branch, the first output branch and the second output branch
Road, substrate can be ceramic circuit board, aluminum base circuit board, PCB (Printed Circuit Board, printed circuit board) plate etc.,
Preferably, substrate is pcb board.Further, substrate is dual platen.
Specifically, the first input branch, the second input branch, the first output branch and the second output branch may be provided at base
On plate, green oil can be coated in the first plate face of substrate or pad pasting achievees the effect that mutually insulated.
It should be noted that the first input branch, the second input branch, the first output branch and the second output branch can also
Using metal structure, on the surface of metal structure using the insulation of the techniques such as hard anodizing.
In above-described embodiment, branch is inputted by switching switch block and first in the input port of the first output branch
Output port, which couples, to be connected, while the input port of the second output branch inputs the defeated of branch with second by switching switch block
When exit port is connected, four port networks of two input ports and two output ports, in this mode, all radiation of antenna are realized
Unit (the first radiating element and each second radiating element) works together, and antenna beamwidth is relatively narrow, and can pass through phase shifter reality
The adjustment of existing elevation radiation patytern angle of declination.In the output port of the only first input branch and the input terminal of the second output branch
When being connected between mouthful by switching switch block, the two-port network of an input port and an output port is realized, in the mode
Under, antenna only has the work of the first radiating element, and antenna beamwidth is wider.By the switching of switching device, and then it can realize day
The switching of line vertical beamwidth.
In one embodiment, the first input branch, the second input branch, the first output branch and the second output branch are equal
For fixed circuit.
Specifically, the first input branch, the second input branch, the first output branch and the second output branch are fixed on same
In plane.
In a specific embodiment, switching switch block is relative to fixed circuit activity, to disconnect or the company of coupling
Connect the switch walking circuit of fixed circuit.
Wherein, switch walking circuit can be printed on PCB circuit, it is also possible to which fixing piece is fixed on same plane.Switch
It is that can fit closely that coupling, which is connected, between walking circuit and fixed circuit.
Specifically, switch walking circuit can be moved by external force, be connected with corresponding fixed circuit coupling, realized two
The switching of the two-port network of four port networks and one-in-and-one-out that go out into two.And then it can be connected to the radiating element of different number,
Change antennas orthogonal surface wave beam width, meets the needs of different covering scenes.
In a specific embodiment, as shown in Figures 2 and 3, switch walking circuit includes first switch walking circuit
217 and second switch walking circuit 219.
Pass through first switch between the output port of first input branch 210 and the input port of the first output branch 213
Walking circuit 217 is connected；Pass through between the output port of second input branch 211 and the input port of the second output branch 215
Second switch walking circuit 219 is connected；The input port of the output port of first input branch 210 and the second output branch 215
Between by first switch walking circuit 217 be connected.
Specifically, the first output branch 213 and the second output branch 215 are arranged in parallel, the first input branch and the
One output branch 213 is arranged in a mutually vertical manner, and the second input branch 211 and the second output branch 215 are on same straight line.First
Switch walking circuit 217 is L-type, the input of output port and the first output branch 213 for connecting the first input branch 210
Port.Second switch walking circuit 217, can according to the relative position between the second input branch 211 and the second output branch 215
To be set as linear type, L-type or other shapes.When switching device works, first switch walking circuit 217 and second switch are mobile
Circuit 219 is moved in a straight line by external force respectively, so that the output port of the first input branch 210 and the first output branch 213
Input port between by first switch walking circuit 217 coupling be connected, second input branch 211 output port and second
It exports and is connected between the input port of branch 215 by the coupling of second switch walking circuit 219, realize the output of two input ports two
Four port networks of port.When the first switch walking circuit 217 and first that the first input branch 210 is fitted closely exports branch
Road 213 separates, and when being moved to the position of the second output branch 215, keeps signal defeated from the input port of the first input branch 210
Enter, from the output port output of the second output branch 215, the output port of the second input branch 211 and the first output branch 213
Input port disconnect, realize one output port of an input port two-port network.
It is mutually perpendicular to it should be noted that can also be between the second input branch 211 and the second output branch 215 or is in
Certain angle setting.
Further, as shown in Fig. 2, the output of input port and the first input branch 210 in the first output branch 213
It is connected between port by the coupling of first switch walking circuit 217, while the input port of the second output branch 215 and second defeated
When entering connected by the coupling of second switch walking circuit 219 between the output port of branch 211.Second output branch 215 and the
The connection of one radiating element 221 is connected, and the first output branch 213 is connected with the connection of phase shifter 23, and then the first radiation is single
Member 221 and each second radiating element 223 all ON operations so that antenna beamwidth is relatively narrow, realize antenna beam angle compared with
It works in the case where narrow.It may be selected the of any delivery outlet (the first phase shift output port) and switching device 21 based on phase shifter 23
The input port of two input branches is connected, and the second phase shift output port of phase shifter 23 and each second radiating element 223 1 are a pair of
It should be connected, so that the phase difference for realizing each unit in arithmetic progression, achievees the effect that adjust elevation radiation patytern angle of declination.
As shown in figure 3, only first input branch 210 output port with second export branch 215 input port it
Between by first switch walking circuit 217 coupling be connected when, second output branch 215 and the connection of the first radiating element 221 lead
It is logical, and the connection of the first output branch 213 and phase shifter 23 disconnects, and then aerial signal and phase shifter 23 and each second radiation are single
Member 223 disconnects, only 221 ON operation of the first radiating element so that antenna beamwidth is wider, realize antenna beam angle compared with
It works in the case where width.
In a specific embodiment, as shown in Figures 2 and 3, the shape of the first input branch is linear type；Second is defeated
The shape for entering branch is linear type；The shape of first output branch is linear type；The shape of second output branch is linear type.The
The shape of one switch walking circuit is L-type；The shape of second switch walking circuit is linear type.
Specifically, first switch walking circuit is moved, so that first switch walking circuit is inputted with first respectively
When branch, the first output branch fit closely, realize that the first input branch exports being of coupled connections for branch with first；It opens second
It closes walking circuit to be moved, so that second switch walking circuit is closely pasted with the second input branch, the second output branch respectively
When conjunction, realize that the second input branch exports being of coupled connections for branch with second, and then realize two input ports, two output port
Four port networks.Second switch walking circuit is moved so that second switch walking circuit respectively with second input branch,
When second output branch disconnects, realize that the second input branch exports disconnecting for branch with second；To the mobile electricity of first switch
Road is moved, and when so that first switch walking circuit being fitted closely with the first input branch, the second output branch respectively, is realized
First input branch is of coupled connections with the second output branch, and then realizes the two-port net of one output port of an input port
Network.
It should be noted that the shape of the first input branch, the second input branch, the first output branch and the second output branch
Shape is not limited to linear type, can also be L-type etc..The shape of second switch walking circuit is also possible to L-type.
In above-described embodiment, the movement based on first switch walking circuit and second switch walking circuit is, it can be achieved that four ends
Switching between mouth network and two-port network, and then the vertical beamwidth of adjustable antenna, are suitble to different covering fields
Scape.And the Antenna Design of the present embodiment is simple, convenient for batch production.
In one embodiment, as shown in Figures 4 and 5, switching device further includes being arranged on the first input branch 410
Short-circuit conductors 470.The length of short-circuit conductors 470 is quarter-wave.
Specifically, short-circuit conductors 470 can be arranged in a mutually vertical manner with the first input branch 410.One end of short-circuit conductors 470 with
First input branch 410 is connected, other end setting ground connection.Short-circuit conductors 470 can be microstrip line construction, be also possible to strip line
Structure.
Further, as shown in figure 4, the first input branch 410, first, which exports branch 430 and second, exports branch 440
Shape is respectively linear type, and the shape of the second input branch 420 is L-type.First output branch 430 and the second output branch 440
Arranged in parallel, the first input branch 410 is arranged in a mutually vertical manner with the first output branch 430.On first input branch 410 also
Equipped with the about quarter-wave short-circuit conductors 470 of length, which can be used for the DC earthing of switching device.The
On the same line, the other end exports branch 440 with second for the one end of two input branches 420 and the second output branch 440
Vertically.First switch walking circuit 450 is L-type, is set on the first input branch 410 and the first output branch 420, is used for coupling
Close the output port of connection the first input branch 410 and the input port of the first output branch 420.Second switch walking circuit
460 be L-type, is set on the second input branch 420 and the second output branch 440, for the second input branch 420 that is of coupled connections
Output port and second output branch 440 input port, thus realize two input ports, two output port four port nets
Network.
As shown in figure 5, first switch walking circuit 450 and second switch walking circuit 460 do straight line by external force respectively
Movement, one end of first switch walking circuit 450 are of coupled connections with the first input branch 410 always, the other end and the first output
Branch 430 separates, and is moved to the position of the second output branch 440.One end of second switch walking circuit 460 and the second input branch
Road 420 is of coupled connections, and the other end is separated with the second output branch 440, keeps signal defeated from the input port of the first input branch 410
Enter, from the output port output of the second output branch 440, the output port of the second input branch 420 and the first output branch 430
Input port disconnect, realize one output port of an input port two-port network.
In above-described embodiment, by the switching of switching device, it can be connected to the radiating element of different number, antenna may be implemented
The switching of vertical beamwidth, meets the needs of different covering scenes.
In one embodiment, switching switch block is the fixed circuit of switch of disconnection or the fixed circuit that is of coupled connections.
Wherein, switching fixed circuit can be single-pole single-throw switch (SPST) circuit, for example, switching fixed circuit can be hilted broadsword list
The relay thrown.
Specifically, on-off line operation can be carried out by manual action or instruction action by switching fixed circuit.The fixed electricity of switch
When road is opened, it can be disconnected with corresponding fixed circuit；When switching fixed closing of circuit, phase can be coupled with corresponding fixed circuit
Even；Realize the switching of four port networks of Two In and Two Out and the two-port network of one-in-and-one-out.And then different number can be connected to
Radiating element changes antennas orthogonal surface wave beam width, meets the needs of different covering scenes.
In a specific embodiment, as shown in fig. 6, switching fixed circuit includes the fixed circuit 642 of first switch, the
Two switch fixed circuit 644 and the fixed circuit 646 of third switch.
Pass through first switch between the output port of first input branch 610 and the input port of the first output branch 614
Fixed circuit 642 is connected；Pass through between the output port of second input branch 612 and the input port of the second output branch 616
The fixed circuit 644 of second switch is connected；The input port of the output port of first input branch 610 and the second output branch 616
Between fixed circuit 646 switched by third be connected.
Specifically, when the fixed circuit 642 of first switch is opened, the first input branch 610 and the first output branch 614 are disconnected
Between connection；When the fixed circuit 642 of first switch is closed, between the first input branch 610 of conducting and the first output branch 614
Connection.When the fixed circuit 644 of second switch is opened, the company between the second input branch 612 and the second output branch 616 is disconnected
It connects；Connection when the fixed circuit 644 of second switch is closed, between the second input branch 612 of conducting and the second output branch 616.
When third switchs the fixed opening of circuit 646, the connection between the first input branch 610 and the second output branch 616 is disconnected；Third
Connection when switching the fixed closure of circuit 646, between the first input branch 610 of conducting and the second output branch 616.
Preferably, it is respectively hilted broadsword that the fixed circuit of first switch, the fixed circuit of second switch and third, which switch fixed circuit,
Single-throw switch circuit.
Further, in the fixed closure of circuit 642 of first switch, the fixed closure of circuit 644 of second switch and third switch
When fixed circuit is opened, so that passing through the fixed circuit of first switch between the first input branch 610 and the first output branch 614
642 conductings are connected by the fixed circuit 644 of second switch between the second input branch 612 and the second output branch 616, are realized
Four port networks of two input ports, two output port.The second output branch 616 and the connection of the first radiating element 621 are led in turn
It is logical, and the first output branch 614 is connected with the connection of phase shifter 63, and then the first radiating element 621 and each second radiating element
623 all ON operations realize that antenna works in the case where beam angle is relatively narrow so that antenna beamwidth is relatively narrow.
It is opened in the fixed opening of circuit 642 of first switch, the fixed circuit 644 of second switch and third switchs fixed circuit and closes
When conjunction, be connected so that only switching fixed circuit 646 by third between the first input branch 610 and the second output branch 616, it is real
The two-port network of existing one output port of an input port.The connection of second output branch 616 and the first radiating element 621 in turn
Conducting, and the connection of the first output branch 614 and phase shifter 63 disconnects, and then aerial signal and phase shifter 63 and each second radiation
Unit 623 disconnects, only 621 ON operation of the first radiating element, so that antenna beamwidth is wider, realizes antenna in beam angle
It works in wider situation.
In above-described embodiment, the open or closed state based on the fixed circuit of first switch and the fixed circuit of second switch,
The switching between four port networks and two-port network, and then the vertical beamwidth of adjustable antenna can be achieved, be suitble to not
Same covering scene.And the Antenna Design of the present embodiment is simple, convenient for batch production.
In a specific embodiment, as shown in Figures 7 and 8, the shape of the first input branch 710 is T-type, and first is defeated
The shape of out branch 730 is linear type, and the shape of the second input branch 720 is linear type, and the shape of the second output branch 740 is
T-type.The input port of the first output port connection the first output branch 730 of first input branch 710, the first input branch
The first input port of 710 second output terminal mouth connection the second output branch 740；Second input of the second output branch 740
The output port of port connection the second input branch 720.The output port of first output branch 730 is for connecting the defeated of phase shifter
Inbound port；The output port of second output branch 740 is for connecting the first radiating element；The input terminal of second input branch 720
Mouth is for connecting the first phase shift output port of phase shifter.The fixed setting of circuit 750 of first switch the first input branch 710 with
The connection of first output branch 730；The fixed setting of circuit 760 of second switch is in the second input branch 720 and the second output
The connection of branch 740；The fixed circuit 770 of third switch is arranged in the first input branch 710 and second and exports branch 740
Connection.Switch fixed circuit (the fixed circuit 750 of first switch, the fixed circuit 760 of second switch or the fixed electricity of third switch
Road 770) when being " ON " state, connect with branch, so that branch is being switched short circuit at fixed circuit, switching fixed circuit is " OFF "
It is connectionless with circuit when state, work normally circuit.Preferably, the positional distance first of the fixed circuit 750 of first switch is defeated
The T-type branch intersection for entering branch 710 is aboutThe positional distance second of the fixed circuit 760 of second switch exports the T of branch 740
Type branch intersection is aboutThird switchs the position of fixed circuit 770, and distance first inputs the T-type branch phase of branch 710 respectively
At friendship, second output branch 740 T-type branch intersection be about
Preferably, each T-type branch of the first input branch 710, each T-type branch of the second output branch 740, the second input
At least one in branch 720 and the first output branch 710 is arranged in bending.Such structure can reduce the body of switching device
Product, and then it is more conducive to the miniaturization of antenna.Specifically in the present embodiment, at least first input branch 710 and second
Exporting length in branch 740 is that quarter-wave each branch section is arranged in bending.
Specifically, as shown in fig. 7, it is " ON " state, the first input branch 710 and second that third, which switchs fixed circuit 770,
The third that is connected between output branch 740 switchs short circuit at fixed circuit 770；The fixed circuit 750 of first switch is " OFF "
State is connected to access at the fixed circuit 750 of the first switch between the first input branch 710 and the first output branch 730；
The fixed circuit 760 of second switch is " OFF " state, is connected to this between the second input branch 720 and the second output branch 740
Access at the fixed circuit 760 of second switch.And then signal can be from the input port input of the first input branch 710, first is defeated
The output port of out branch 730 exports；The input port input of second input branch 720, the output end of the second output branch 740
Mouth output.
As shown in figure 8, it is " OFF " state, the first input branch 710 and the second output branch that third, which switchs fixed circuit 770,
The third that is connected between road 740 switchs access at fixed circuit 770；The fixed circuit 750 of first switch is " ON " state, the
Short circuit at the fixed circuit 750 of the first switch is connected between one input branch 710 and the first output branch 730；Second opens
Closing fixed circuit 760 is " ON " state, being connected to this and second open between the second input branch 720 and the second output branch 740
Close short circuit at fixed circuit 760.And then signal can be from the input port input of the first input branch 710, the second output branch
740 output port output.
It should be pointed out that increasing or decreasing radiating element (the first radiating element or on the basis of the embodiment of the present invention
Two radiating elements), it can also realize the adjustable function of vertical beamwidth, therefore not be unfolded to be discussed in detail.
Above-mentioned the present embodiment, by the way that switching device is arranged in antennas, to realize that antennas orthogonal surface wave beam width is variable.
It can be applied to different covering scenes.Overcome the nonadjustable problem of traditional antenna vertical beamwidth.
It should be noted that indicating that the first radiation is single compared with the circle of runic in the radiation appliance of Fig. 1, Fig. 3, Fig. 4 and Fig. 5
Member；The position of exemplary first radiating element in Fig. 1, Fig. 3, Fig. 4 and Fig. 5 is one of situation, in other embodiments
In, the position of the first radiating element can be set in a side close to any one the second radiating element.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (11)
1. a kind of adjustable antenna of wave width, which is characterized in that including switching device, radiation appliance and phase shifter；The switch
Device includes the first input branch, the second input branch, the first output branch, the second output branch and switching switch block；
The radiation appliance includes the first radiating element and multiple second radiating elements；The phase shifter includes the first phase shift output port
With multiple second phase shift output ports；Each second phase shift output port and each second radiating element correspond and connect
It connects；
The output port of the first output branch connects the input port of the phase shifter, the input of the first output branch
Port connects the output port of the first input branch by the switching switch block；The output of the second output branch
Port connects first radiating element, and the input port of the second output branch connects institute by the switching switch block
State the output port of the second input branch；The input port of the second input branch connects the first phase shift output port；
The output port of the first input branch also passes through the input port of the switching switch block and the second output branch
It is connected.
2. the adjustable antenna of wave width according to claim 1, which is characterized in that the first input branch, described second
Inputting branch, the first output branch and the second output branch is fixed circuit.
3. the adjustable antenna of wave width according to claim 2, which is characterized in that the switching switch block is relative to institute
State fixed circuit activity, with the switch walking circuit for the fixed circuit that disconnects or be of coupled connections.
4. the adjustable antenna of wave width according to claim 3, which is characterized in that the switch walking circuit is opened including first
Close walking circuit and second switch walking circuit；
It is opened between the output port of the first input branch and the input port of the first output branch by described first
Walking circuit is closed to be connected；Pass through between the output port of the second input branch and the input port of the second output branch
The second switch walking circuit is connected；The input terminal of the output port of the first input branch and the second output branch
It is connected between mouthful by the first switch walking circuit.
5. the adjustable antenna of wave width according to claim 4, which is characterized in that the shape of the first input branch is L
Type or linear type；The shape of the second input branch is L-type or linear type；It is described first output branch shape be L-type or
Linear type；The shape of the second output branch is L-type or linear type；
The shape of the first switch walking circuit is that the shape of L-type and/or the second switch walking circuit is L-type.
6. according to the adjustable antenna of wave width described in claim 2 to 5 any one, which is characterized in that the switching device is also
Including the short-circuit conductors being arranged on first input branch road；
The length of the short-circuit conductors is quarter-wave.
7. the adjustable antenna of wave width according to claim 2, which is characterized in that the switching switch block is disconnection or coupling
Close the fixed circuit of switch for connecting the fixed circuit.
8. the adjustable antenna of wave width according to claim 7, which is characterized in that the fixed circuit of the switch is opened including first
It closes the fixed circuit of fixed circuit, second switch and third switchs fixed circuit；
It is opened between the output port of the first input branch and the input port of the first output branch by described first
Fixed circuit is closed to be connected；Pass through between the output port of the second input branch and the input port of the second output branch
The fixed circuit of the second switch is connected；The input terminal of the output port of the first input branch and the second output branch
Fixed circuit is switched by the third between mouthful to be connected.
9. the adjustable antenna of wave width according to claim 8, which is characterized in that the shape of the first input branch is T
Type；The shape of the second input branch is linear type；The shape of the first output branch is linear type；Second output
The shape of branch is T-type；
It is respectively hilted broadsword that the fixed circuit of the first switch, the fixed circuit of the second switch and the third, which switch fixed circuit,
Single-throw switch circuit.
10. the adjustable antenna of wave width according to claim 9, which is characterized in that the position of the fixed circuit of the first switch
The T-type branch intersection set apart from the first input branch is quarter-wave；The position of the fixed circuit of the second switch
The T-type branch intersection set apart from the second output branch is quarter-wave；The third switchs the position of fixed circuit
Setting the T-type branch intersection that the T-type branch intersection apart from the first input branch, described second export branch respectively is four
/ mono- wavelength.
11. the adjustable antenna of wave width according to claim 8, which is characterized in that each T-type branch of the first input branch
At least one in road, each T-type branch of the second output branch, the second input branch and the first output branch
It is arranged in bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/090784 WO2020042718A1 (en) | 2018-08-27 | 2019-06-11 | Antenna with adjustable beamwidth |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810982352 | 2018-08-27 | ||
| CN201810982352X | 2018-08-27 |
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| CN109346842A true CN109346842A (en) | 2019-02-15 |
| CN109346842B CN109346842B (en) | 2020-07-28 |
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|---|---|---|---|
| CN201811117154.3A Active CN109346842B (en) | 2018-08-27 | 2018-09-25 | Wave width adjustable antenna |
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|---|---|
| CN (1) | CN109346842B (en) |
| WO (1) | WO2020042718A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042718A1 (en) * | 2018-08-27 | 2020-03-05 | 京信通信技术(广州)有限公司 | Antenna with adjustable beamwidth |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109346842B (en) | 2020-07-28 |
| WO2020042718A1 (en) | 2020-03-05 |
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